From cbe1e7d63f098e306058c0fbcab2f5c30602fa7d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A1bor=20Farkas?= <gabor.farkas@gmail.com>
Date: Fri, 18 Oct 2024 10:46:27 +0200
Subject: [PATCH] expr: add explicit strict-mode const (#94838)

expr: add explicit strict-mode value
---
 pkg/expr/query.go  | 3 +++
 pkg/expr/reader.go | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/expr/query.go b/pkg/expr/query.go
index 53f45186508..1160efd9862 100644
--- a/pkg/expr/query.go
+++ b/pkg/expr/query.go
@@ -96,6 +96,9 @@ type ReduceSettings struct {
 type ReduceMode string
 
 const (
+	// Default mode
+	ReduceModeStrict = ""
+
 	// Drop non-numbers
 	ReduceModeDrop ReduceMode = "dropNN"
 
diff --git a/pkg/expr/reader.go b/pkg/expr/reader.go
index 52177c151ca..3bb3abdbe43 100644
--- a/pkg/expr/reader.go
+++ b/pkg/expr/reader.go
@@ -74,7 +74,7 @@ func (h *ExpressionQueryReader) ReadQuery(
 		}
 		if err == nil && q.Settings != nil {
 			switch q.Settings.Mode {
-			case "":
+			case ReduceModeStrict:
 				mapper = nil
 			case ReduceModeDrop:
 				mapper = mathexp.DropNonNumber{}